Professional RF, Microwave & Satellite Engineering Toolkit

Browser-based design and analysis tools for RF systems, high-frequency circuits, radio propagation and satellite communications

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Simulation Tools

  • RFspiceS-parameter, AC, transient & nonlinear simulation
  • RFnetSimRF network design and 2D EM solver

Radio Amateur Tools

RF Consultancy Example Tools

  • Advanced interactive mathematical analysis
  • Digital signal-processing design and simulation
  • Predict satellite communication link margins
  • Design line-ups statistically instead of worst-case
  • Compare MODCOD choices for Eb/N0, spectral efficiency
  • Evaluate ADC/DAC performance
  • Estimate antenna noise temperature
  • Estimate atmospheric propagation losses using ITU-R models
  • Visualise indoor RF propagation for coverage and multipath
  • TR 36.873 v12.7.0 · Engineering workbench
  • View S-parameter data
  • View combined S-parameter data
  • Integrate phase-noise to estimate RMS phase and timing jitter
  • Find spurs in IQ transceiver architectures
  • Phase locked loop design and loop filter synthesis
  • Digital predistortion linearization of nonlinear PA with memory
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RFCONSULT · ENGINEERING WORKBENCH

M²S · Mathematical Modelling Studio

Advanced interactive mathematical analysis

I use mathematical worksheets to bring calculations, explanatory notes and plots together in one engineering model. M²S makes the reasoning visible alongside the numerical results, so I can explore a problem and retain a readable record of the analysis.

Screenshot of M²S · Mathematical Modelling Studio
Example mathematical worksheet in M²S.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

DSPsim

Digital signal-processing design and simulation

I use DSPsim to build and explore digital signal-processing models. It brings signal sources, coding, modulation and analysis into a block-based workbench, so I can examine a signal-processing chain and see how design choices affect the resulting signals.

Screenshot of DSPsim
DSPsim r0.14 — example signal-processing analysis.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

Satcom Link Budget

Predict satellite communication link margins

I use this workbench to examine a satellite link as a complete system. It helps me connect the radio, antenna and propagation assumptions to the resulting link margin, and see which assumptions drive the design.

Screenshot of Satcom Link Budget
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

Monte-Carlo RF System

Design line-ups statistically instead of worst-case

I use Monte-Carlo analysis when component variation matters to an RF line-up. Rather than assuming every component reaches its worst case at the same time, I explore how variation propagates through the cascade and affects the spread of system performance.

Screenshot of Monte-Carlo RF System
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

Modulation & Coding

Compare MODCOD choices for Eb/N0, spectral efficiency

I use this when trading modulation and coding against bandwidth, signal-to-noise ratio and the required error performance. It helps me compare candidate operating points before committing to a modem or link design.

Screenshot of Modulation & Coding
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

Data Converter Analyser

Evaluate ADC/DAC performance

I use this workbench when deciding how an ADC or DAC fits into an RF architecture. I examine the sampling plan, noise, clock jitter and distortion together, rather than treating the converter as an isolated component.

Screenshot of Data Converter Analyser
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

Radio Sky Brightness

Estimate antenna noise temperature

I use this when the sky contribution to antenna noise temperature matters to a receiving system. It lets me examine the observing direction and frequency alongside the antenna assumptions, rather than relying on a single fixed noise-temperature estimate.

Screenshot of Radio Sky Brightness
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

ITU-R Atmospheric Loss

Estimate atmospheric propagation losses using ITU-R models

I use atmospheric propagation models to explore the losses that a satellite or high-frequency radio path must accommodate. This workbench brings the relevant inputs and results together so I can review the assumptions behind the attenuation estimate.

Screenshot of ITU-R Atmospheric Loss
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

3D Indoor Propagation

Visualise indoor RF propagation for coverage and multipath

I use 3D propagation modelling to see how geometry changes a radio path. A spatial view helps me reason about coverage and multipath, and inspect paths that a single path-loss number would conceal.

Screenshot of 3D Indoor Propagation
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

3GPP Spatial Channel Model

TR 36.873 v12.7.0 · Engineering workbench

I use spatial channel modelling when an RF system needs more than a single path-loss estimate. This workbench lets me inspect the relationship between scenario geometry, channel statistics and MIMO behaviour using the 3GPP modelling framework.

Screenshot of 3GPP Spatial Channel Model
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

S-parameter Plotter

View S-parameter data

I use measured or simulated S-parameter data to inspect RF component behaviour over frequency. Plotting the relevant responses together helps me spot matching, transmission and phase behaviour that matters to the wider design.

Screenshot of S-parameter Plotter
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

S-parameter Calc & Plot

View combined S-parameter data

I use this when I need to compare or combine S-parameter datasets during RF design. Keeping the source data and calculated responses in the same view makes it easier to understand what has changed and why.

Screenshot of S-parameter Calc & Plot
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

Integrated Phase Noise

Integrate phase-noise to estimate RMS phase and timing jitter

I use this when clock or oscillator phase noise must be translated into a system-level consequence. The integration limits and carrier frequency matter, so I review them explicitly when estimating phase error and timing jitter.

Screenshot of Integrated Phase Noise
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

IQ Mixer Spurs

Find spurs in IQ transceiver architectures

I use spur analysis when choosing frequency plans for IQ transmitter and receiver architectures. It helps me identify unwanted mixing products and examine whether they fall within a wanted band or an important rejection region.

Screenshot of IQ Mixer Spurs
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

PLL Designer

Phase locked loop design and loop filter synthesis

I use this workbench to trade loop bandwidth, phase margin and oscillator noise when designing a frequency synthesiser. It brings loop-filter synthesis and frequency- and time-domain analysis together so I can examine stability and noise performance in the same design.

Screenshot of PLL Designer
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.
RFCONSULT · ENGINEERING WORKBENCH

DPD Workbench

Digital predistortion linearization of nonlinear PA with memory

I use this workbench to explore how digital predistortion can improve a nonlinear power amplifier. Modelling the transmitter and observation loop together helps me examine the interaction between the PA, converter impairments and the adaptive predistorter.

Screenshot of DPD Workbench
Application screenshot using the current public example configuration. No client project data is shown.

What I use it to examine

This is one of my private engineering workbenches used during consultancy projects. It is shown here to illustrate my approach and is not distributed as a public application.